[INFO] fetching crate debate-derive 1.0.0...
[INFO] testing debate-derive-1.0.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate debate-derive 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate debate-derive 1.0.0
[INFO] finished tweaking crates.io crate debate-derive 1.0.0
[INFO] tweaked toml for crates.io crate debate-derive 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate debate-derive 1.0.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate debate-derive 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6190eaea816e88a30a4c60a17135896dd957278ef072419ca73684d51ce04d00
[INFO] running `Command { std: "docker" "start" "-a" "6190eaea816e88a30a4c60a17135896dd957278ef072419ca73684d51ce04d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6190eaea816e88a30a4c60a17135896dd957278ef072419ca73684d51ce04d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6190eaea816e88a30a4c60a17135896dd957278ef072419ca73684d51ce04d00", kill_on_drop: false }`
[INFO] [stdout] 6190eaea816e88a30a4c60a17135896dd957278ef072419ca73684d51ce04d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3736e56b57063cae5942f6ba8d889ad19f12e1aabf4d72f198bce50447b8b9b8
[INFO] running `Command { std: "docker" "start" "-a" "3736e56b57063cae5942f6ba8d889ad19f12e1aabf4d72f198bce50447b8b9b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling lazy_format v2.0.3
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling indexmap v2.11.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling debate-derive v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: there exists a built-in attribute with the same name
[INFO] [stdout]   --> src/lib.rs:42:38
[INFO] [stdout]    |
[INFO] [stdout] 42 |     derive(Usage) attributes(debate, doc)
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #151276 <https://github.com/rust-lang/rust/issues/151276>
[INFO] [stdout]    = note: `#[warn(ambiguous_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "3736e56b57063cae5942f6ba8d889ad19f12e1aabf4d72f198bce50447b8b9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3736e56b57063cae5942f6ba8d889ad19f12e1aabf4d72f198bce50447b8b9b8", kill_on_drop: false }`
[INFO] [stdout] 3736e56b57063cae5942f6ba8d889ad19f12e1aabf4d72f198bce50447b8b9b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0828064a78cd47ed708824ba931d707d071577ddc5d70394de13583e60aeacbd
[INFO] running `Command { std: "docker" "start" "-a" "0828064a78cd47ed708824ba931d707d071577ddc5d70394de13583e60aeacbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling debate-derive v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: there exists a built-in attribute with the same name
[INFO] [stdout]   --> src/lib.rs:42:38
[INFO] [stdout]    |
[INFO] [stdout] 42 |     derive(Usage) attributes(debate, doc)
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #151276 <https://github.com/rust-lang/rust/issues/151276>
[INFO] [stdout]    = note: `#[warn(ambiguous_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: there exists a built-in attribute with the same name
[INFO] [stdout]   --> src/lib.rs:42:38
[INFO] [stdout]    |
[INFO] [stdout] 42 |     derive(Usage) attributes(debate, doc)
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #151276 <https://github.com/rust-lang/rust/issues/151276>
[INFO] [stdout]    = note: `#[warn(ambiguous_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "0828064a78cd47ed708824ba931d707d071577ddc5d70394de13583e60aeacbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0828064a78cd47ed708824ba931d707d071577ddc5d70394de13583e60aeacbd", kill_on_drop: false }`
[INFO] [stdout] 0828064a78cd47ed708824ba931d707d071577ddc5d70394de13583e60aeacbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e76e238fa84a9c6e3ea2f4f3acf25eef0159a3afd8fc9f267f768dba85269abb
[INFO] running `Command { std: "docker" "start" "-a" "e76e238fa84a9c6e3ea2f4f3acf25eef0159a3afd8fc9f267f768dba85269abb", kill_on_drop: false }`
[INFO] [stderr] warning: there exists a built-in attribute with the same name
[INFO] [stderr]   --> src/lib.rs:42:38
[INFO] [stderr]    |
[INFO] [stderr] 42 |     derive(Usage) attributes(debate, doc)
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #151276 <https://github.com/rust-lang/rust/issues/151276>
[INFO] [stderr]    = note: `#[warn(ambiguous_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `debate-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `debate-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/debate_derive-299fe7189ca4f1ef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests debate_derive
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/from_args/common.rs - from_args::common::visit_positional_arms_for_fields (line 255) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/from_args/common.rs - from_args::common::visit_positional_arms_for_fields (line 255) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `position` in this scope
[INFO] [stdout]    --> src/from_args/common.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 | if *position == scrutinee {
[INFO] [stdout]     |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `scrutinee` in this scope
[INFO] [stdout]    --> src/from_args/common.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 | if *position == scrutinee {
[INFO] [stdout]     |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `position` in this scope
[INFO] [stdout]    --> src/from_args/common.rs:257:6
[INFO] [stdout]     |
[INFO] [stdout] 257 |     *position = {/* handle argument for this field */}
[INFO] [stdout]     |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/from_args/common.rs - from_args::common::visit_positional_arms_for_fields (line 255)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.20s; merged doctests compilation took 0.10s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e76e238fa84a9c6e3ea2f4f3acf25eef0159a3afd8fc9f267f768dba85269abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76e238fa84a9c6e3ea2f4f3acf25eef0159a3afd8fc9f267f768dba85269abb", kill_on_drop: false }`
[INFO] [stdout] e76e238fa84a9c6e3ea2f4f3acf25eef0159a3afd8fc9f267f768dba85269abb
